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Individual Calculations April 2009 |
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| Fotiadis, Ioannis Total change: -21.45 | |   |
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| 2009 Indiv. Youth Champ. of Attica - Boys U 14 | Nikea - Athens | GRE | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1784 | 1.00 | 3 | -0.51 | 15 | -7.65 | |
|  Michelakos, Panagiotis | | | 1997 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Zivas, Konstantinos | | | 1730 | GRE | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Psaromiligkos, Konstantinos | | | 1631 | GRE | 1.00 | 1 | 0.30 | 15 | 4.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 41 Indiv. Champ. Greece - Juniors U20 | Peristeri - Athens | GRE | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1793 | 0.00 | 2 | -0.89 | 15 | -13.35 | |
| | Stavrianakis, Ioannis | | | 2143 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tsironis, Panteleimon | | | 1577 | GRE | 0.00 | 1 | -0.78 | 15 | -11.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2009 Attica team ch prelim. A div. | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1793 | 2.00 | 3 | -0.03 | 15 | -0.45 | |
| | Rokas, Aggelos | | | 1737 | GRE | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Konstantopoulos, Nikolaos | | | 1490 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Georgantas, Antonios | | | 1728 | GRE | 0.00 | 1 | -0.59 | 15 | -8.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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